英语词汇change of polarity怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

1
?极性改变
... change of phase 相位变化 change of polarity 极性改变 change of state 物态变化，状态变化 ...
2
?极性变更
change of polarity 极性变更; 极性变换..

短语

1
number of change of polarity
极性转换次数

双语例句

1
This change in polarity causes the magnetic field in front of the train to pull the vehicle forward, while the magnetic field behind the train adds more forward thrust.
这种极性的变化导致列车前方牵引列车前进的电磁场，同时列车后面的电磁场加上了更多的向前推力。
2
The polarity of impulse voltage and the polarity of insulator surface electric charge can affect the corona initial time of insulator, the change time - interval and the corona current.
外拖冲击电压的极性与绝缘子表面电荷极性是否相同会影响绝缘子的电晕起始时刻、由流注向先导的转变时间间隔和流注电晕电流。
3
The electric current supplied to the coils in the guideway walls is constantly alternating to change the polarity of the magnetized coils.
供给导轨槽内线圈的电流交互变化着电磁线圈的极性。

单词	change of polarity
释义	change of polarity 简明释义极性变更网络释义 1 ?极性改变 ... change of phase 相位变化 change of polarity 极性改变 change of state 物态变化，状态变化 ... 2 ?极性变更 change of polarity 极性变更; 极性变换.. 短语 1 number of change of polarity 极性转换次数双语例句 1 This change in polarity causes the magnetic field in front of the train to pull the vehicle forward, while the magnetic field behind the train adds more forward thrust. 这种极性的变化导致列车前方牵引列车前进的电磁场，同时列车后面的电磁场加上了更多的向前推力。 2 The polarity of impulse voltage and the polarity of insulator surface electric charge can affect the corona initial time of insulator, the change time - interval and the corona current. 外拖冲击电压的极性与绝缘子表面电荷极性是否相同会影响绝缘子的电晕起始时刻、由流注向先导的转变时间间隔和流注电晕电流。 3 The electric current supplied to the coils in the guideway walls is constantly alternating to change the polarity of the magnetized coils. 供给导轨槽内线圈的电流交互变化着电磁线圈的极性。
随便看	reembrace re-embracing re-embrittlement reembroider reembroider reembroidered reembroidered reembroidering reembroider re-embroil reeme reemerge re-emerge reemerge re-emerged reemerged reemerged reemergence reemergence re-emergence reemergences re-emergences reemergent reemergent reemergent